import matplotlib.pyplot as plt
import numpy as np

# xPoints = np.array([0, 6])
# yPoints = np.array([0, 100])
# plt.plot(xPoints, yPoints)
# plt.show()

# xpoints = np.array([1, 8])
# ypoints = np.array([3, 10])
# plt.plot(xpoints, ypoints, 'o')
# plt.show()

# ypoints = np.array([3, 10])
# plt.plot(ypoints)
# plt.show()

x = np.arange(0, 4 * np.pi, 0.1)  # start,stop,step
y = np.sin(x)
z = np.cos(x)
plt.plot(x, y, x, z)
plt.show()
